Selecting a pressure sensor involves more than simply matching specifications. Engineers must balance performance, reliability, packaging flexibility, and long-term availability. While many customers first discover the AV Sensors CHT-1230 Series as a drop-in replacement for the TE 1230, that perspective only captures part of the product's value. The CHT-1230 is a modern pressure sensor platform designed to support both existing equipment upgrades and entirely new OEM devel

The CHT-NFP 1865 Series is optimized for force-based occlusion detection in peristaltic pumps and pressure monitoring in syringe pump systems. The sensing approach is based on a silicon piezoresistive Wheatstone bridge, coupled with a durable silicone diaphragm.

The application note explains how AVSensors pressure transducers incorporate laser-trimmed gain-set resistors that normalize sensor span variations and simplify amplifier design. When paired with a differential amplifier stage, this resistor precisely programs the gain required to convert the bridge’s millivolt output into a stable 0–5 V analog signal.

As a sneak peek into AV Sensors’ 2026 medical product roadmap, AV Sensors is pleased to announce the development of the CHT-NFP 1865 Series—a next-generation Infusion Pump (NFP) force/pressure sensor engineered to support both legacy analog architectures and future digital integration strategies.